5261641049 has 8 divisors (see below), whose sum is σ = 6367027968. Its totient is φ = 4244685120.

The previous prime is 5261641039. The next prime is 5261641079. The reversal of 5261641049 is 9401461625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5261641049 - 2²⁸ = 4993205593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5261641019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22107617 + ... + 22107854.

It is an arithmetic number, because the mean of its divisors is an integer number (795878496).

Almost surely, 2^5261641049 is an apocalyptic number.

It is an amenable number.

5261641049 is a deficient number, since it is larger than the sum of its proper divisors (1105386919).

5261641049 is a wasteful number, since it uses less digits than its factorization.

5261641049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44215495.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 5261641049 is about 72537.1701198772. The cubic root of 5261641049 is about 1739.2969645171.

The spelling of 5261641049 in words is "five billion, two hundred sixty-one million, six hundred forty-one thousand, forty-nine".